[gecode-users] if-then-else

[Guido Tack]

Ruben Zilibowitz wrote:

> Suppose I have a BoolExpr called B. And I have two LinExpr: X and Y. I want a LinExpr that is equivalent to:
> if (B) then X else Y
> However I don't see support for an if-then-else construct. Is there a way to implement this?

You have to decompose it into implications:
rel(home, B >> X);
rel(home, (!B) >> Y);

Cheers,
	Guido

-- 
Guido Tack, http://people.cs.kuleuven.be/~guido.tack/